arch/arm/mach-omap1/board-innovator.c

   1 /*
   2  * linux/arch/arm/mach-omap1/board-innovator.c
   3  *
   4  * Board specific inits for OMAP-1510 and OMAP-1610 Innovator
   5  *
   6  * Copyright (C) 2001 RidgeRun, Inc.
   7  * Author: Greg Lonnon <glonnon@ridgerun.com>
   8  *
   9  * Copyright (C) 2002 MontaVista Software, Inc.
  10  *
  11  * Separated FPGA interrupts from innovator1510.c and cleaned up for 2.6
  12  * Copyright (C) 2004 Nokia Corporation by Tony Lindrgen <tony@atomide.com>
  13  *
  14  * This program is free software; you can redistribute it and/or modify
  15  * it under the terms of the GNU General Public License version 2 as
  16  * published by the Free Software Foundation.
  17  */
  18
  19 #include <linux/kernel.h>
  20 #include <linux/init.h>
  21 #include <linux/platform_device.h>
  22 #include <linux/delay.h>
  23 #include <linux/mtd/mtd.h>
  24 #include <linux/mtd/partitions.h>
  25 #include <linux/mtd/physmap.h>
  26 #include <linux/input.h>
  27 #include <linux/smc91x.h>
  28
  29 #include <mach/hardware.h>
  30 #include <asm/mach-types.h>
  31 #include <asm/mach/arch.h>
  32 #include <asm/mach/map.h>
  33
  34 #include <plat/mux.h>
  35 #include <plat/flash.h>
  36 #include <plat/fpga.h>
  37 #include <mach/gpio.h>
  38 #include <plat/tc.h>
  39 #include <plat/usb.h>
  40 #include <plat/keypad.h>
  41 #include <plat/common.h>
  42 #include <plat/mmc.h>
  43
  44 /* At OMAP1610 Innovator the Ethernet is directly connected to CS1 */
  45 #define INNOVATOR1610_ETHR_START        0x04000300
  46
  47 static int innovator_keymap[] = {
  48         KEY(0, 0, KEY_F1),
  49         KEY(0, 3, KEY_DOWN),
  50         KEY(1, 1, KEY_F2),
  51         KEY(1, 2, KEY_RIGHT),
  52         KEY(2, 0, KEY_F3),
  53         KEY(2, 1, KEY_F4),
  54         KEY(2, 2, KEY_UP),
  55         KEY(3, 2, KEY_ENTER),
  56         KEY(3, 3, KEY_LEFT),
  57         0
  58 };
  59
  60 static struct mtd_partition innovator_partitions[] = {
  61         /* bootloader (U-Boot, etc) in first sector */
  62         {
  63               .name             = "bootloader",
  64               .offset           = 0,
  65               .size             = SZ_128K,
  66               .mask_flags       = MTD_WRITEABLE, /* force read-only */
  67         },
  68         /* bootloader params in the next sector */
  69         {
  70               .name             = "params",
  71               .offset           = MTDPART_OFS_APPEND,
  72               .size             = SZ_128K,
  73               .mask_flags       = 0,
  74         },
  75         /* kernel */
  76         {
  77               .name             = "kernel",
  78               .offset           = MTDPART_OFS_APPEND,
  79               .size             = SZ_2M,
  80               .mask_flags       = 0
  81         },
  82         /* rest of flash1 is a file system */
  83         {
  84               .name             = "rootfs",
  85               .offset           = MTDPART_OFS_APPEND,
  86               .size             = SZ_16M - SZ_2M - 2 * SZ_128K,
  87               .mask_flags       = 0
  88         },
  89         /* file system */
  90         {
  91               .name             = "filesystem",
  92               .offset           = MTDPART_OFS_APPEND,
  93               .size             = MTDPART_SIZ_FULL,
  94               .mask_flags       = 0
  95         }
  96 };
  97
  98 static struct physmap_flash_data innovator_flash_data = {
  99         .width          = 2,
 100         .set_vpp        = omap1_set_vpp,
 101         .parts          = innovator_partitions,
 102         .nr_parts       = ARRAY_SIZE(innovator_partitions),
 103 };
 104
 105 static struct resource innovator_flash_resource = {
 106         .start          = OMAP_CS0_PHYS,
 107         .end            = OMAP_CS0_PHYS + SZ_32M - 1,
 108         .flags          = IORESOURCE_MEM,
 109 };
 110
 111 static struct platform_device innovator_flash_device = {
 112         .name           = "physmap-flash",
 113         .id             = 0,
 114         .dev            = {
 115                 .platform_data  = &innovator_flash_data,
 116         },
 117         .num_resources  = 1,
 118         .resource       = &innovator_flash_resource,
 119 };
 120
 121 static struct resource innovator_kp_resources[] = {
 122         [0] = {
 123                 .start  = INT_KEYBOARD,
 124                 .end    = INT_KEYBOARD,
 125                 .flags  = IORESOURCE_IRQ,
 126         },
 127 };
 128
 129 static struct omap_kp_platform_data innovator_kp_data = {
 130         .rows           = 8,
 131         .cols           = 8,
 132         .keymap         = innovator_keymap,
 133         .keymapsize     = ARRAY_SIZE(innovator_keymap),
 134         .delay          = 4,
 135 };
 136
 137 static struct platform_device innovator_kp_device = {
 138         .name           = "omap-keypad",
 139         .id             = -1,
 140         .dev            = {
 141                 .platform_data = &innovator_kp_data,
 142         },
 143         .num_resources  = ARRAY_SIZE(innovator_kp_resources),
 144         .resource       = innovator_kp_resources,
 145 };
 146
 147 static struct smc91x_platdata innovator_smc91x_info = {
 148         .flags  = SMC91X_USE_16BIT | SMC91X_NOWAIT,
 149         .leda   = RPC_LED_100_10,
 150         .ledb   = RPC_LED_TX_RX,
 151 };
 152
 153 #ifdef CONFIG_ARCH_OMAP15XX
 154
 155 #include <linux/spi/spi.h>
 156 #include <linux/spi/ads7846.h>
 157
 158
 159 /* Only FPGA needs to be mapped here. All others are done with ioremap */
 160 static struct map_desc innovator1510_io_desc[] __initdata = {
 161         {
 162                 .virtual        = OMAP1510_FPGA_BASE,
 163                 .pfn            = __phys_to_pfn(OMAP1510_FPGA_START),
 164                 .length         = OMAP1510_FPGA_SIZE,
 165                 .type           = MT_DEVICE
 166         }
 167 };
 168
 169 static struct resource innovator1510_smc91x_resources[] = {
 170         [0] = {
 171                 .start  = OMAP1510_FPGA_ETHR_START,     /* Physical */
 172                 .end    = OMAP1510_FPGA_ETHR_START + 0xf,
 173                 .flags  = IORESOURCE_MEM,
 174         },
 175         [1] = {
 176                 .start  = OMAP1510_INT_ETHER,
 177                 .end    = OMAP1510_INT_ETHER,
 178                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
 179         },
 180 };
 181
 182 static struct platform_device innovator1510_smc91x_device = {
 183         .name           = "smc91x",
 184         .id             = 0,
 185         .dev    = {
 186                 .platform_data  = &innovator_smc91x_info,
 187         },
 188         .num_resources  = ARRAY_SIZE(innovator1510_smc91x_resources),
 189         .resource       = innovator1510_smc91x_resources,
 190 };
 191
 192 static struct platform_device innovator1510_lcd_device = {
 193         .name           = "lcd_inn1510",
 194         .id             = -1,
 195 };
 196
 197 static struct platform_device innovator1510_spi_device = {
 198         .name           = "spi_inn1510",
 199         .id             = -1,
 200 };
 201
 202 static struct platform_device *innovator1510_devices[] __initdata = {
 203         &innovator_flash_device,
 204         &innovator1510_smc91x_device,
 205         &innovator_kp_device,
 206         &innovator1510_lcd_device,
 207         &innovator1510_spi_device,
 208 };
 209
 210 static int innovator_get_pendown_state(void)
 211 {
 212         return !(fpga_read(OMAP1510_FPGA_TOUCHSCREEN) & (1 << 5));
 213 }
 214
 215 static const struct ads7846_platform_data innovator1510_ts_info = {
 216         .model                  = 7846,
 217         .vref_delay_usecs       = 100,  /* internal, no capacitor */
 218         .x_plate_ohms           = 419,
 219         .y_plate_ohms           = 486,
 220         .get_pendown_state      = innovator_get_pendown_state,
 221 };
 222
 223 static struct spi_board_info __initdata innovator1510_boardinfo[] = { {
 224         /* FPGA (bus "10") CS0 has an ads7846e */
 225         .modalias               = "ads7846",
 226         .platform_data          = &innovator1510_ts_info,
 227         .irq                    = OMAP1510_INT_FPGA_TS,
 228         .max_speed_hz           = 120000 /* max sample rate at 3V */
 229                                         * 26 /* command + data + overhead */,
 230         .bus_num                = 10,
 231         .chip_select            = 0,
 232 } };
 233
 234 #endif /* CONFIG_ARCH_OMAP15XX */
 235
 236 #ifdef CONFIG_ARCH_OMAP16XX
 237
 238 static struct resource innovator1610_smc91x_resources[] = {
 239         [0] = {
 240                 .start  = INNOVATOR1610_ETHR_START,             /* Physical */
 241                 .end    = INNOVATOR1610_ETHR_START + 0xf,
 242                 .flags  = IORESOURCE_MEM,
 243         },
 244         [1] = {
 245                 .start  = OMAP_GPIO_IRQ(0),
 246                 .end    = OMAP_GPIO_IRQ(0),
 247                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
 248         },
 249 };
 250
 251 static struct platform_device innovator1610_smc91x_device = {
 252         .name           = "smc91x",
 253         .id             = 0,
 254         .dev    = {
 255                 .platform_data  = &innovator_smc91x_info,
 256         },
 257         .num_resources  = ARRAY_SIZE(innovator1610_smc91x_resources),
 258         .resource       = innovator1610_smc91x_resources,
 259 };
 260
 261 static struct platform_device innovator1610_lcd_device = {
 262         .name           = "inn1610_lcd",
 263         .id             = -1,
 264 };
 265
 266 static struct platform_device *innovator1610_devices[] __initdata = {
 267         &innovator_flash_device,
 268         &innovator1610_smc91x_device,
 269         &innovator_kp_device,
 270         &innovator1610_lcd_device,
 271 };
 272
 273 #endif /* CONFIG_ARCH_OMAP16XX */
 274
 275 static void __init innovator_init_smc91x(void)
 276 {
 277         if (cpu_is_omap1510()) {
 278                 fpga_write(fpga_read(OMAP1510_FPGA_RST) & ~1,
 279                            OMAP1510_FPGA_RST);
 280                 udelay(750);
 281         } else {
 282                 if (gpio_request(0, "SMC91x irq") < 0) {
 283                         printk("Error requesting gpio 0 for smc91x irq\n");
 284                         return;
 285                 }
 286         }
 287 }
 288
 289 static void __init innovator_init_irq(void)
 290 {
 291         omap1_init_common_hw();
 292         omap_init_irq();
 293         omap_gpio_init();
 294 #ifdef CONFIG_ARCH_OMAP15XX
 295         if (cpu_is_omap1510()) {
 296                 omap1510_fpga_init_irq();
 297         }
 298 #endif
 299         innovator_init_smc91x();
 300 }
 301
 302 #ifdef CONFIG_ARCH_OMAP15XX
 303 static struct omap_usb_config innovator1510_usb_config __initdata = {
 304         /* for bundled non-standard host and peripheral cables */
 305         .hmc_mode       = 4,
 306
 307         .register_host  = 1,
 308         .pins[1]        = 6,
 309         .pins[2]        = 6,            /* Conflicts with UART2 */
 310
 311         .register_dev   = 1,
 312         .pins[0]        = 2,
 313 };
 314
 315 static struct omap_lcd_config innovator1510_lcd_config __initdata = {
 316         .ctrl_name      = "internal",
 317 };
 318 #endif
 319
 320 #ifdef CONFIG_ARCH_OMAP16XX
 321 static struct omap_usb_config h2_usb_config __initdata = {
 322         /* usb1 has a Mini-AB port and external isp1301 transceiver */
 323         .otg            = 2,
 324
 325 #ifdef  CONFIG_USB_GADGET_OMAP
 326         .hmc_mode       = 19,   /* 0:host(off) 1:dev|otg 2:disabled */
 327         /* .hmc_mode    = 21,*/ /* 0:host(off) 1:dev(loopback) 2:host(loopback) */
 328 #elif   defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
 329         /* NONSTANDARD CABLE NEEDED (B-to-Mini-B) */
 330         .hmc_mode       = 20,   /* 1:dev|otg(off) 1:host 2:disabled */
 331 #endif
 332
 333         .pins[1]        = 3,
 334 };
 335
 336 static struct omap_lcd_config innovator1610_lcd_config __initdata = {
 337         .ctrl_name      = "internal",
 338 };
 339 #endif
 340
 341 #if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE)
 342
 343 static int mmc_set_power(struct device *dev, int slot, int power_on,
 344                                 int vdd)
 345 {
 346         if (power_on)
 347                 fpga_write(fpga_read(OMAP1510_FPGA_POWER) | (1 << 3),
 348                                 OMAP1510_FPGA_POWER);
 349         else
 350                 fpga_write(fpga_read(OMAP1510_FPGA_POWER) & ~(1 << 3),
 351                                 OMAP1510_FPGA_POWER);
 352
 353         return 0;
 354 }
 355
 356 /*
 357  * Innovator could use the following functions tested:
 358  * - mmc_get_wp that uses OMAP_MPUIO(3)
 359  * - mmc_get_cover_state that uses FPGA F4 UIO43
 360  */
 361 static struct omap_mmc_platform_data mmc1_data = {
 362         .nr_slots                       = 1,
 363         .slots[0]       = {
 364                 .set_power              = mmc_set_power,
 365                 .wires                  = 4,
 366                 .name                   = "mmcblk",
 367         },
 368 };
 369
 370 static struct omap_mmc_platform_data *mmc_data[OMAP16XX_NR_MMC];
 371
 372 void __init innovator_mmc_init(void)
 373 {
 374         mmc_data[0] = &mmc1_data;
 375         omap1_init_mmc(mmc_data, OMAP15XX_NR_MMC);
 376 }
 377
 378 #else
 379 static inline void innovator_mmc_init(void)
 380 {
 381 }
 382 #endif
 383
 384 static struct omap_board_config_kernel innovator_config[] = {
 385         { OMAP_TAG_LCD,         NULL },
 386 };
 387
 388 static void __init innovator_init(void)
 389 {
 390 #ifdef CONFIG_ARCH_OMAP15XX
 391         if (cpu_is_omap1510()) {
 392                 unsigned char reg;
 393
 394                 /* mux pins for uarts */
 395                 omap_cfg_reg(UART1_TX);
 396                 omap_cfg_reg(UART1_RTS);
 397                 omap_cfg_reg(UART2_TX);
 398                 omap_cfg_reg(UART2_RTS);
 399                 omap_cfg_reg(UART3_TX);
 400                 omap_cfg_reg(UART3_RX);
 401
 402                 reg = fpga_read(OMAP1510_FPGA_POWER);
 403                 reg |= OMAP1510_FPGA_PCR_COM1_EN;
 404                 fpga_write(reg, OMAP1510_FPGA_POWER);
 405                 udelay(10);
 406
 407                 reg = fpga_read(OMAP1510_FPGA_POWER);
 408                 reg |= OMAP1510_FPGA_PCR_COM2_EN;
 409                 fpga_write(reg, OMAP1510_FPGA_POWER);
 410                 udelay(10);
 411
 412                 platform_add_devices(innovator1510_devices, ARRAY_SIZE(innovator1510_devices));
 413                 spi_register_board_info(innovator1510_boardinfo,
 414                                 ARRAY_SIZE(innovator1510_boardinfo));
 415         }
 416 #endif
 417 #ifdef CONFIG_ARCH_OMAP16XX
 418         if (!cpu_is_omap1510()) {
 419                 platform_add_devices(innovator1610_devices, ARRAY_SIZE(innovator1610_devices));
 420         }
 421 #endif
 422
 423 #ifdef CONFIG_ARCH_OMAP15XX
 424         if (cpu_is_omap1510()) {
 425                 omap1_usb_init(&innovator1510_usb_config);
 426                 innovator_config[1].data = &innovator1510_lcd_config;
 427         }
 428 #endif
 429 #ifdef CONFIG_ARCH_OMAP16XX
 430         if (cpu_is_omap1610()) {
 431                 omap1_usb_init(&h2_usb_config);
 432                 innovator_config[1].data = &innovator1610_lcd_config;
 433         }
 434 #endif
 435         omap_board_config = innovator_config;
 436         omap_board_config_size = ARRAY_SIZE(innovator_config);
 437         omap_serial_init();
 438         omap_register_i2c_bus(1, 100, NULL, 0);
 439         innovator_mmc_init();
 440 }
 441
 442 static void __init innovator_map_io(void)
 443 {
 444         omap1_map_common_io();
 445
 446 #ifdef CONFIG_ARCH_OMAP15XX
 447         if (cpu_is_omap1510()) {
 448                 iotable_init(innovator1510_io_desc, ARRAY_SIZE(innovator1510_io_desc));
 449                 udelay(10);     /* Delay needed for FPGA */
 450
 451                 /* Dump the Innovator FPGA rev early - useful info for support. */
 452                 printk("Innovator FPGA Rev %d.%d Board Rev %d\n",
 453                        fpga_read(OMAP1510_FPGA_REV_HIGH),
 454                        fpga_read(OMAP1510_FPGA_REV_LOW),
 455                        fpga_read(OMAP1510_FPGA_BOARD_REV));
 456         }
 457 #endif
 458 }
 459
 460 MACHINE_START(OMAP_INNOVATOR, "TI-Innovator")
 461         /* Maintainer: MontaVista Software, Inc. */
 462         .boot_params    = 0x10000100,
 463         .map_io         = innovator_map_io,
 464         .reserve        = omap_reserve,
 465         .init_irq       = innovator_init_irq,
 466         .init_machine   = innovator_init,
 467         .timer          = &omap_timer,
 468 MACHINE_END